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Of 8 people having a meal, 5 are having fries, 4 are having burgers and 3 are having bacon. No other food is at the table. Each person is eating at least 1 item. If exactly 4 people are eating exactly 2 food items, how many people are eating all 3 items?
OG18-数学分册 Items that are purchased together at a certain discount store are priced at $3 for the first item purchased and $1 for each additional item purchased. What is the maximum number of items that could be purchased together for a total price that is less than $30 ?
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Total cloud inversion, which looks like a sea of clouds, occurs above the Grand Canyon about once every decade but had rarely been captured on film until recently.
PREP07 Test 2 Pat, Kate, and Mark charged a total of 162 hours to a certain project. If Pat charged twice as much time to the project as Kate and 1/3 as much time as Mark, how many more hours did Mark charge to the project than Kate?
190215 A person invested in three projects A, B and C equally. After one year, A made 15% profit, B brought him 1% profit and C lost 10%. If this person only invested in project A, how many times is the supposed income compared to the actual income?
OG12 If x is the product of the positive integers from 1 to 8, inclusive, and if i, k, m, and p are positive integers such that x =$${2}^{i}{3}^{k}{5}^{m}{7}^{p}$$, then i + k + m + p =
OG12 OG15 OG16 Last year, for every 100 million vehicles that traveled on a certain highway, 96 vehicles were involved in accidents. If 3 billion vehicles traveled on the highway last year, how many of those vehicles were involved in accidents? (1 billion = 1,000,000,000)
PREP07 Test 2 If x and y are positive, which of the following must be greater than $${1}\over{\sqrt{x+y}}$$?I. $${\sqrt{x+y}}\over{2x}$$II. $$(\sqrt{x}+ {\sqrt{y})}\over{(x+y)}$$III. $${(\sqrt{x}- \sqrt{y})}\over{(x+y)}$$
300难题 Let S be the set of all positive integers having at most 4 digits and such that each of the digits is 0 or 1. What is the greatest prime factor of the sum of all the numbers in S ?
191222 A truck transports cargoes. First time, the truck transports 2/3 of the total cargoes, and the second time, it transports 1/3 of the remaining cargoes, finally the truck has 0.5 tons cargoes left. How many tons does truck have?
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Released in 1970, the creators of MASH were two Academy Award nominees, Robert Altman, who would go on to direct The Player, and director Ingo Preminger.
OG12 OG15 OG16 OG17 OG18 The average distance between the Sun and a certain planet is approximately 2.3 x $${10}^{14}$$ inches. Which of the following is closest to the average distance between the Sun and the planet, in kilometers? (1 kilometer is approximately 3.9 x $${10}^{4}$$ inches.)
GMAT、gmat题库、gmat模考、gmat考满分 During an internal study at General Depot, income and education were recorded for 19 employees - divided among male and female. The chart shows income, in dollars ($), education, in number of years, for each of the employees. Based on the given information, use the drop-down menus to most accurately complete the following statements. A) The correlation between income and education for employees in the study is . B) If an employee with 16 years of education or less were selected at random, the probability that the employee would be female is .
GI In 2010, there were four used-car dealers in City Z. the graphic shows the monthly sales data for 2010 for two of those dealers as well as the citywide average for used-car dealers for those months.GMAT、gmat题库、gmat模考、gmat考满分From each drop-down menu, select the option that creates the most accurate statement based on the information provided.ABC cars and XYZ automobile accounted for half of all used-car sales in City Z for 2010.In June 2010, the two used-car dealers that are not specified on the graph sold a total of exactly cars.
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The probability is 1 2 that a certain coin will yield heads on any given toss. If the coin is tossed five times, what is the probability that at least one of the tosses will yield heads?
PREP07 Test 1 According to the directions on a can of frozen orange juice concentrate, 1 can of concentrate is to be mixed with 3 cans of water to make orange juice. How many 12-ounce cans of the concentrate are required to prepare 200 6-ounce servings of orange juice?
Two different primes may be said to "rhyme" around an integer if they are the same distance from the integer on the number line. For instance, 3 and 7 rhyme around 5. What integer between 1 and 20, inclusive, has the greatest number of distinct rhyming primes around it?
190321 One snowball on the ice lost two-thirds of its volume in one hour and two-thirds of its remaining volume in the next hour. At this point, the volume of the snowball is $$\frac{1}{5} m^3$$. What was the volume of the snowball at first?
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Which of the following is the value of ( 0.0081 ) 1 2 ?
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A bag has 32 yellow, red, blue and green balls. If one ball is drawn from the bag at random, the probability that it will be green is 0.5, and the probability that it will be blue is 0.25. What is the probability that the ball will be either red or yellow?